org.apache.commons.configuration2.resolver

## Interface EntityRegistry

- All Known Implementing Classes:
    DefaultEntityResolver

      public interface EntityRegistry

  Interface used for registering and retrieving PUBLICID to URL mappings.
  Since:
    1.7
  Version:
    $Id: EntityRegistry.java 1624601 2014-09-12 18:04:36Z oheger $
  Author:
    Commons Configuration team

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `Map<String,URL>` | `getRegisteredEntities()` Returns a map with the entity IDs that have been registered using the `registerEntityId()` method.
    `void` | `registerEntityId(String publicId, URL entityURL)` Registers the specified URL for the specified public identifier.

- - ### Method Detail

    - #### registerEntityId

          void registerEntityId(String publicId,
                                URL entityURL)

      Registers the specified URL for the specified public identifier.

      This implementation maps `PUBLICID`'s to URLs (from which the resource will be loaded). A common use case for this method is to register local URLs (possibly computed at runtime by a class loader) for DTDs and Schemas. This allows the performance advantage of using a local version without having to ensure every `SYSTEM` URI on every processed XML document is local. This implementation provides only basic functionality. If more sophisticated features are required, either calling `XMLConfiguration.setDocumentBuilder(DocumentBuilder)` to set a custom `DocumentBuilder` (which also can be initialized with a custom `EntityResolver`) or creating a custom entity resolver and registering it with the XMLConfiguration is recommended.

      Parameters:
        `publicId` - Public identifier of the Entity to be resolved
        `entityURL` - The URL to use for reading this Entity
      Throws:
        `IllegalArgumentException` - if the public ID is undefined

    - #### getRegisteredEntities

          Map<String,URL> getRegisteredEntities()

      Returns a map with the entity IDs that have been registered using the `registerEntityId()` method.
      Returns:
        a map with the registered entity IDs

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